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Finding the Fourth Proportional to 262.97, 362.70 and 258.92

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Solution

The fourth proportional to 262.97, 362.70 and 258.92 is: 357.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.97 : 362.70 = 258.92 : x
  2. Step 2: Convert to fraction form
    262.97/362.70 = 258.92/x
  3. Step 3: Cross multiply
    262.97x = 362.70 × 258.92
  4. Step 4: Simplify right side
    262.97x = 93,908.47
  5. Step 5: Solve for x
    x = 93,908.47/262.97
  6. Step 6: Final answer
    x = 357.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.